Here is the full list of all 47 Resident Evil 0 achievements. It takes around 40-50 hours to unlock all of the achievements on Windows.
Put on Team Wesker costume.
Kill 50 enemies with the Death Stare at full charge.
Defeat all bosses except Centurion using Rebecca.
Obtain all weapons.
Defeat Mimicry Marcus for the first time only using a knife.
Collect all of only one color of Leech Charms.
Finish Leech Hunter with rank A.
Defeat all enemies in Leech Hunter.
Finish the game with rank S.
Finish the game without combining herbs.
Finish the game without saving.
Finish the game without using a First-Aid Spray.
Finish the game without using a recovery item (including Green Chemicals).
Play Leech Hunter.
Finish Leech Hunter with rank E or above.
Combine every type of herb with each other.
Play the piano using Rebecca.
Destroy a zombie's legs.
Read all files.
Break free of a Cerberus while they are biting you or trying to push you down.
Complete the treatment plant.
Finish the game on Hard difficulty.
Defeat Queen Leech.
Obtain all keys and use them all.
Defeat the Proto Tyrant.
Try to push something heavy with Rebecca.
Complete the factory.
Fight off the Proto Tyrant.
Complete the laboratory.
Defeat Infected Bat.
Defeat 16 bats in the church.
Shoot down a Hunter or an Eliminator while they are jump attacking in the air.
Get picked up by the Infected Bat.
Complete the training facility.
Create a Custom Handgun.
Defeat Mimicry Marcus with a Molotov Cocktail or a Napalm Grenade.
Defeat a zombie by stomping on them.
Use a Green Chemical.
Defeat Centurion.
Defeat an enemy with a critical-hit headshot.
Defeat an enemy with a knife.
Complete the train.
Defeat an enemy by burning them.
Change into a costume.
Create a Molotov Cocktail.
Attack an enemy to save your partner who is grappling with that enemy.
Defeat Stinger.